Update changelog (#167)

NEWS.md

@@ -6,9 +6,14 @@ used in the Julia ecosystem. Notable changes will be documented in this file
 for human readability.
 
 
-## Changes in the v0.4 lifecycle
+## Changes in the v0.5 lifecycle
 
 #### Added
+- Reflecting boundary conditions are added for the Svärd-Kalisch equations with `alpha = gamma = 0` ([#166]).
+- Fix a bug in the upwind discretization of the `SvärdKalischEquations1D`.
+- Use OrdinaryDiffEqTsit5.jl and OrdinaryDiffEqLowStorageRK.jl instead of OrdinaryDiffEq.jl in all examples to
+  reduce latency ([#163]).
+- Allow Fourier and periodic rational derivative operators for `BBMBBMEquations1D` and `SvärdKalischEquations1D` ([#154]).
 - Add `BBMEquation1D` ([#150]).
 
 ## Changes when updating to v0.5 from v0.4.x